Career as a coach
| Period | Team | Country | Position | |
|---|---|---|---|---|
| 06/2024 - 10/2025 |  | Perth Glory |  Australia | Manager |
| 08/2023 - 06/2024 |  | Sydney FC | Australia | Ass. Coach |
| 01/2022 - 06/2022 |  | Genoa CFC |  Italy | Ass. Coach |
| 07/2021 - 01/2022 |  | KV Oostende |  Belgium | Ass. Coach |
| 01/2020 - 06/2021 |  | Chicago Fire |  USA | Ass. Coach |
| 07/2018 - 01/2020 |  | RB Leipzig U19 |  Germany | Ass. Coach |
| 07/2017 - 06/2018 |  | RB Leipzig U17 | Germany | Ass. Coach |
| 07/2016 - 06/2017 |  | Sydney FC Youth | Australia | Ass. Coach |
| 01/2010 - 12/2010 |  | Sydney United 58 | Australia | Manager |
Career as a player
| Period | Team | Country | Position | # | |
|---|---|---|---|---|---|
| 01/2009 - 12/2010 | | Sydney United 58 | Australia | Forward | 9 |
| 01/2005 - 06/2008 | | Sydney FC | Australia | Forward | 9 |
| 07/2004 - 12/2004 |  | Eintracht Trier | Germany | Forward | 22 |
| 07/2003 - 06/2004 |  | Aberdeen FC |  Scotland | Forward | 19 |
| 06/2002 - 06/2003 |  | Walsall FC |  England | Forward | 14 |
| 07/2000 - 06/2002 |  | SpVgg Unterhaching | Germany | Forward | 23 |
| 07/1998 - 06/2000 |  | SSV Ulm 1846 | Germany | Forward | 23 |
| 07/1998 - 07/1998 |  | FC Luzern |  Switzerland | Forward | |
| 06/1997 - 06/1998 |  | FC Aarau | Switzerland | Forward | |
| 07/1993 - 05/1997 | | Sydney United 58 | Australia | Forward | |
| 01/1993 - 06/1993 |  | St George FC | Australia | Forward |
Club matches
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | Club World Cup | 2 | - | 2 | - | 10 | - | - | - | - | - | - | » All matches |
 | UI-Cup | 3 | 3 | - | - | 270 | - | - | - | 1 | - | - | » All matches |
| Bundesliga | 38 | 20 | 18 | 11 | 1.967 | 7 | - | 2 | 4 | - | - | » All matches |
| 2. Bundesliga | 51 | 35 | 16 | 19 | 3.186 | 12 | - | 2 | 7 | 1 | - | » All matches |
| DFB-Pokal | 3 | 1 | 2 | - | 148 | - | - | - | - | - | - | » All matches |
| Championship | 24 | 9 | 15 | 4 | 1.044 | 3 | - | - | 1 | - | - | » All matches |
| FA Cup | 3 | 1 | 2 | - | 145 | 1 | - | - | 1 | - | - | » All matches |
| League Cup | 2 | - | 2 | - | 86 | 1 | - | - | - | - | - | » All matches |
| Premiership | 31 | 23 | 8 | 11 | 2.022 | 4 | - | - | 1 | 1 | - | » All matches |
| Super League | 26 | 15 | 11 | 10 | 1.235 | 2 | - | - | 2 | - | - | » All matches |
| A-League | 139 | 111 | 28 | 26 | 10.205 | 43 | - | - | 5 | - | - | » All matches |
| Pre-Season Cup | 11 | 8 | 3 | 3 | 722 | - | - | - | - | - | - | » All matches |
| Total | 333 | 226 | 107 | 84 | 21.040 | 73 | - | - | 22 | 2 | - |
International matches
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| WC Qualifiers Oceania | 4 | 3 | 1 | 1 | 276 | 9 | - | - | - | - | - | » All matches |
| Friendlies | 6 | 4 | 2 | 3 | 342 | 1 | - | - | - | - | - | » All matches |
| Confederations Cup | 4 | 3 | 1 | 2 | 272 | - | - | - | 1 | - | - | » All matches |
 | OFC Nations Cup | 3 | 3 | - | 3 | 204 | 2 | - | - | - | - | - | » All matches |
| Total | 17 | 13 | 4 | 9 | 1.094 | 12 | - | - | 1 | - | - |
Personal achievements
| Top Scorer | ||
|---|---|---|
 | A-League | 1996/1997 |